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词汇
umbilical vesicle
释义
umbilical vesicle
基本
英英
近义反义
脐囊
Noun:
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
近义词
vitelline sac卵黄囊
yolk sac=yolk bag[…
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更新时间:2025/5/11 7:57:30